Searching for the orbital period of the ultraluminous X-ray source NGC 1313 X-2

Zampieri, L.; Impiombato, D.; Falomo, R.; Grisé, F.; Soria, R.
Referencia bibliográfica

Monthly Notices of the Royal Astronomical Society, Volume 419, Issue 2, pp. 1331-1337.

Fecha de publicación:
1
2012
Número de autores
5
Número de autores del IAC
0
Número de citas
14
Número de citas referidas
13
Descripción
We analysed the longest phase-connected photometric data set available for NGC 1313 X-2, looking for the ˜6-day modulation reported by Liu et al.. The folded B-band light curve shows a ˜6-day periodicity with a significance slightly larger than 3σ. The low statistical significance of this modulation, along with the lack of detection in the V band, makes its identification uncertain.